package com.guilimall.cart.controller;

import com.common.constant.AuthServerConstant;
import com.guilimall.cart.Service.CartService;
import com.guilimall.cart.interceptor.CartInterceptor;
import com.guilimall.cart.vo.Cart;
import com.guilimall.cart.vo.CartItem;
import com.guilimall.cart.vo.UserInfoTo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutionException;

@Controller
public class cartController {

    @Autowired
    CartService cartService;

    @ResponseBody
    @GetMapping("/currentUserCartItems")
    public List<CartItem> getCurrentUserCartItems(){
        List<CartItem> currentUserCartItems = cartService.getCurrentUserCartItems();
        return currentUserCartItems;
    }


    @GetMapping("/cartList.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        Cart cart = cartService.getCart();
        model.addAttribute("cart",cart);
        return "cartList";
    }

    /**
     * 添加商品到购物车
     * @return
     */
    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId,
                            @RequestParam("num") Integer num,
                            RedirectAttributes redirectAttributes) throws ExecutionException, InterruptedException {
        CartItem cartItem = cartService.addToCart(skuId,num);
        redirectAttributes.addAttribute("skuId",cartItem.getSkuId());
        //重定向到成功页面
        return "redirect:http://cart.gulimall.com/addToCartSuccess.html";
    }


    /**
     * 跳转到成功页面，避免刷新进行添加操作
     * @param skuId
     * @param model
     * @return
     */
    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccess(@RequestParam("skuId") Long skuId,Model model){
        CartItem cartItem = cartService.getCartItem(skuId);
        model.addAttribute("item",cartItem);
        return "success";
    }


    @GetMapping("checkItem")
    public String checkItem(@RequestParam("skuId") Long skuId,@RequestParam("check") Integer check
                            ){
        cartService.checkItem(skuId,check);
        return "redirect:http://cart.gulimall.com/cartList.html";
    }

    @GetMapping("countNum")
    public String countNum(@RequestParam("skuId") Long skuId,@RequestParam("count") Integer count
    ){
        cartService.countNum(skuId,count);
        return "redirect:http://cart.gulimall.com/cartList.html";
    }


    @GetMapping("deleteItem")
    public String deleteItem(@RequestParam("skuId") Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.gulimall.com/cartList.html";
    }
















}
